One law of politics (and I use that term loosely; the laws of politics are a lot more mutable than those of, say, thermodynamics or North Dakota) is that when a presidential primary process looks essentially decided, the party establishment steps in to endorse the presumptive nominee and pressures the other candidate, or candidates, to drop out of the race. It’s never in the party’s interest to drag the contest on, particularly when it means that said presumptive nominee will continue to be subjected to more criticism from his intraparty rival or rivals.




In September, 2009 Atlantic Monthly named 
